/**
 * OGC NewFinity — header & primary navigation.
 * Tokens: style.css (:root). Prefix: .ogc-
 */

/* Accent bar */
.ogc-accent-bar {
	display: block;
	width: 100%;
	height: var(--ogc-accent-bar-height);
	background: linear-gradient(
		90deg,
		var(--ogc-accent-start),
		var(--ogc-accent-end)
	);
}

/* Sticky site header — fully transparent at top; blurred when scrolled */
.ogc-site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	background: transparent;
	background-color: transparent;
	backdrop-filter: none;
	-webkit-backdrop-filter: none;
	transition:
		background 0.25s ease,
		backdrop-filter 0.25s ease,
		-webkit-backdrop-filter 0.25s ease;
}

.ogc-site-header.is-scrolled {
	background: rgba(10, 10, 10, 0.5);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
}

.ogc-header {
	background: transparent;
	background-color: transparent;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ogc-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	max-width: var(--ogc-container);
	margin: 0 auto;
	padding: 0.85rem 1.25rem;
	min-height: var(--ogc-header-height);
}

.ogc-header__brand {
	flex-shrink: 0;
}

.ogc-logo {
	display: inline-flex;
	align-items: center;
}

.ogc-header__logo .ogc-logo__img {
	width: auto;
	max-height: 40px;
	height: 40px;
	filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.45));
}

/* Primary nav — desktop */
.ogc-nav {
	display: none;
	flex: 1;
	justify-content: center;
}

.ogc-nav__list {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: 0.15rem 0.9rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.ogc-nav__list a {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-family: var(--ogc-font-body);
	font-size: 0.875rem;
	font-weight: 500;
	letter-spacing: 0.01em;
	color: var(--ogc-link-color);
	text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55);
	transition: color 0.15s ease;
}

.ogc-nav__label {
	line-height: 1.2;
}

.ogc-nav__list a:hover,
.ogc-nav__list a:focus-visible,
.ogc-nav__list .current-menu-item > a,
.ogc-nav__list .current_page_item > a {
	color: var(--ogc-link-hover);
}

.ogc-header__actions {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	flex-shrink: 0;
}

/* CTA uses shared .ogc-btn from main.css — header-only size tweaks */
.ogc-header__cta {
	display: inline-flex;
	padding: 0.55rem 0.9rem;
	font-size: 0.8rem;
}

/* Hamburger */
.ogc-nav-toggle {
	display: inline-flex;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 42px;
	height: 42px;
	padding: 10px;
	border: 1px solid color-mix(in srgb, var(--ogc-border) 45%, transparent);
	border-radius: var(--ogc-radius-sm);
	background: transparent;
	cursor: pointer;
	color: var(--ogc-text-primary);
}

.ogc-nav-toggle__bar {
	display: block;
	width: 100%;
	height: 2px;
	background: currentColor;
	border-radius: 1px;
	transition:
		transform var(--ogc-transition),
		opacity var(--ogc-transition);
}

.ogc-nav-toggle[aria-expanded="true"] .ogc-nav-toggle__bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.ogc-nav-toggle[aria-expanded="true"] .ogc-nav-toggle__bar:nth-child(2) {
	opacity: 0;
}

.ogc-nav-toggle[aria-expanded="true"] .ogc-nav-toggle__bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* Mobile open panel — full-width dropdown under bar */
@media (max-width: 991px) {
	.ogc-site-header.is-nav-open .ogc-nav {
		display: block;
		position: absolute;
		left: 0;
		right: 0;
		top: 100%;
		background-color: rgba(10, 10, 10, 0.88);
		backdrop-filter: blur(12px);
		-webkit-backdrop-filter: blur(12px);
		border-bottom: 1px solid rgba(255, 255, 255, 0.08);
		padding: 0.75rem 1.25rem 1.25rem;
		max-height: min(70vh, 480px);
		overflow-y: auto;
	}

	.ogc-site-header.is-nav-open .ogc-nav__list {
		flex-direction: column;
		align-items: stretch;
		gap: 0;
	}

	.ogc-site-header.is-nav-open .ogc-nav__list li {
		border-bottom: 1px solid color-mix(in srgb, var(--ogc-border) 18%, transparent);
	}

	.ogc-site-header.is-nav-open .ogc-nav__list a {
		display: flex;
		align-items: center;
		gap: 0.65rem;
		padding: 0.85rem 0.25rem;
	}

	.ogc-header {
		position: relative;
	}
}

/* Desktop layout */
@media (min-width: 992px) {
	.ogc-nav {
		display: flex;
	}

	.ogc-header__cta {
		padding: 0.65rem 1.15rem;
		font-size: 0.875rem;
	}

	.ogc-nav-toggle {
		display: none;
	}
}

/* Screen-reader helper (shared) */
.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	width: 1px;
	word-wrap: normal !important;
}